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Principle of treating acid wastewater with iron powder

Established in 2001, Puyang Zhong Yuan Restar Petroleum Equipment Co.,Ltd, “RSD” for short, is Henan’s high-tech enterprise with intellectual property advantages and independent legal person qualification. With registered capital of RMB 50 million, the Company has two subsidiaries-Henan Restar Separation Equipment Technology Co., Ltd We are mainly specialized in R&D, production and service of various intelligent separation and control systems in oil&gas drilling,engineering environmental protection and mining industries.We always take the lead in Chinese market shares of drilling fluid shale shaker for many years. Our products have been exported more than 20 countries and always extensively praised by customers. We are Class I network supplier of Sinopec,CNPC and CNOOC and registered supplier of ONGC, OIL India,KOC. High quality and international standard products make us gain many Large-scale drilling fluids recycling systems for Saudi Aramco and Gazprom projects.

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Principle of treating acid wastewater with iron powder
USE OF ZERO-VALENT IRON FOR WASTEWATER TREATMENT
USE OF ZERO-VALENT IRON FOR WASTEWATER TREATMENT

Nitrate, Phosphate Sulfate 2. DEGRADATION OF POLLUTANTS The use of zero-valent ,iron, for ,wastewater, treatment has been increasingly studied. However, the exact mechanism of degradation of contaminants in the presence of ,iron, is not fully understood. There are many works proposing that the degradation mechanism comprises of heterogeneous reactions.

Wastewater Engineering
Wastewater Engineering

Autotrophic bacteria use carbon dioxide as a carbon source and oxidize inorganic compound for energy. Autotrophs of greatest significance in sanitary engineering are the nitrifying, sulfur, and ,iron, bacteria. 1. Nitrifying bacteria : They perform the following reactions : 2. Sulfur bacteria : They perform the following ,reaction, e.g. Thiobacillus :

Biological and Chemical Wastewater Treatment Processes ...
Biological and Chemical Wastewater Treatment Processes ...

2/12/2014, · When chlorine gas is dissolved in ,wastewater,, it rapidly hydrolyzes to hydrochloric ,acid, (HCl) and hypochlorous ,acid, (HOCl) as shown in the following chemical ,equation,: Cl 2 +H 2 O ↔ H + +Cl - …

WASTEWATER TREATMENT TECHNOLOGIES FOR THE REMOVAL …
WASTEWATER TREATMENT TECHNOLOGIES FOR THE REMOVAL …

In ammonia stripping, lime or some other caustic substance is generally added to the ,wastewater, until pH reaches 10.8-11.5 standard units, converting ammonium hydroxide ions to ammonia gas according to equilibrium ,reaction,: The equilibrium is governed by pH and temperature, according to the ,equation, describing the ,reaction,'s ionization constant (Keq) The equilibrium in water of the two ...

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